Moved wait to the right line

.travis.yml

@@ -60,7 +60,6 @@ install:
   - npm install
   - npm prune          # remove not (anymore) in package.json required packages (to keep the cache clean)
   - cd ..
-  - travis_wait 30 mvn install
 
 script:
   # check for versions
@@ -79,7 +78,7 @@ script:
   - npm run e2e         # run end-to-end-tests
   - sed -i 's/$TRAVIS_COMMIT/'$TRAVIS_COMMIT'/' src/app/shared/services/raven-error-handler.service.ts
   - cd ../..
-  - .travis/build-fe.sh       # build in prod mode
+  - travis_wait 30 .travis/build-fe.sh       # build in prod mode
 
 after_script:
   # send required files to coveralls.io